.header
{
    width: 100%;
    background:url(img/t1.jpg) no-repeat center top ;
    height: 140px;
    margin: auto;
}

.header .center
{
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    height: 100%;
}

.logo
{      
    float: left;
    width: 620px;
    height: 100%;
    background: url(img/Iconfont.png) no-repeat center center;
    background-size: contain;
}

.search
{
    position: absolute;
    right: 0;
    top: 38%;
    margin: auto;
    
}

.search input[type="text"]
{
    padding: 5px;
    height: 35px;
    width: 200px;
}

.search input[type="submit"]
{
    border: width 2px; ;
    padding: 5px 10px;
    margin-left: 5px;
    height: 40px;
    border-radius: 5px;
}